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<p>[QUOTE=&quot;Oldhoopster, post: 8453639, member: 84179&quot;]Regarding the edges, Fred Weinberg has posted a few times over the years that they should look like a freshly minted coin.&nbsp; This is due to the metal expanding into the collar and then having miniscule amounts scrape off from abrasion as the coin is ejected from the striking chamber.&nbsp; Remember, improper annealing is a surface effect, and the reaction with the furnace atmosphere does not penetrate much below the surface.&nbsp; You can think of it as &quot;light toning&quot; from a chemistry standpoint.</p><p><br /></p><p>Environmental damage can be caused by so many things, I don&#039;t believe you can rule it out because the coin displays luster</p><p><br /></p><p>The copper core on the edges of your coin, appear to be discolored.&nbsp;&nbsp; That would indicate to me that the coloration occurred AFTER striking.&nbsp; My opinion and reasons based on your pics[/QUOTE]</p><p><br /></p>

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